| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Stanislav Nijnikov | 351 | 22.15% | 7 | 15.22% |
| Santosh Yaraganavi | 249 | 15.71% | 1 | 2.17% |
| Dolev Raviv | 236 | 14.89% | 3 | 6.52% |
| Yaniv Gardi | 190 | 11.99% | 4 | 8.70% |
| Sujit Reddy Thumma | 186 | 11.74% | 4 | 8.70% |
| Subhash Jadavani | 161 | 10.16% | 4 | 8.70% |
| Asutosh Das | 95 | 5.99% | 2 | 4.35% |
| Bean Huo | 33 | 2.08% | 3 | 6.52% |
| Stanley Chu | 28 | 1.77% | 3 | 6.52% |
| Can Guo | 13 | 0.82% | 2 | 4.35% |
| Avri Altman | 11 | 0.69% | 5 | 10.87% |
| Tomas Winkler | 9 | 0.57% | 2 | 4.35% |
| MichalX Potomski | 8 | 0.50% | 1 | 2.17% |
| Raviv Shvili | 5 | 0.32% | 1 | 2.17% |
| Seungwon Jeon | 4 | 0.25% | 1 | 2.17% |
| Kiwoong Kim | 4 | 0.25% | 1 | 2.17% |
| Colin Ian King | 1 | 0.06% | 1 | 2.17% |
| Vinayak Holikatti | 1 | 0.06% | 1 | 2.17% |
| Total | 1585 | 46 |
/* * Universal Flash Storage Host controller driver * * This code is based on drivers/scsi/ufs/ufs.h * Copyright (C) 2011-2013 Samsung India Software Operations * * Authors: * Santosh Yaraganavi <santosh.sy@samsung.com> * Vinayak Holikatti <h.vinayak@samsung.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * See the COPYING file in the top-level directory or visit * <http://www.gnu.org/licenses/gpl-2.0.html> * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * This program is provided "AS IS" and "WITH ALL FAULTS" and * without warranty of any kind. You are solely responsible for * determining the appropriateness of using and distributing * the program and assume all risks associated with your exercise * of rights with respect to the program, including but not limited * to infringement of third party rights, the risks and costs of * program errors, damage to or loss of data, programs or equipment, * and unavailability or interruption of operations. Under no * circumstances will the contributor of this Program be liable for * any damages of any kind arising from your use or distribution of * this program. */ #ifndef _UFS_H #define _UFS_H #include <linux/mutex.h> #include <linux/types.h> #include <uapi/scsi/scsi_bsg_ufs.h> #define GENERAL_UPIU_REQUEST_SIZE (sizeof(struct utp_upiu_req)) #define QUERY_DESC_MAX_SIZE 255 #define QUERY_DESC_MIN_SIZE 2 #define QUERY_DESC_HDR_SIZE 2 #define QUERY_OSF_SIZE (GENERAL_UPIU_REQUEST_SIZE - \ (sizeof(struct utp_upiu_header))) #define UFS_SENSE_SIZE 18 #define UPIU_HEADER_DWORD(byte3, byte2, byte1, byte0)\ cpu_to_be32((byte3 << 24) | (byte2 << 16) |\ (byte1 << 8) | (byte0)) /* * UFS device may have standard LUs and LUN id could be from 0x00 to * 0x7F. Standard LUs use "Peripheral Device Addressing Format". * UFS device may also have the Well Known LUs (also referred as W-LU) * which again could be from 0x00 to 0x7F. For W-LUs, device only use * the "Extended Addressing Format" which means the W-LUNs would be * from 0xc100 (SCSI_W_LUN_BASE) onwards. * This means max. LUN number reported from UFS device could be 0xC17F. */ #define UFS_UPIU_MAX_UNIT_NUM_ID 0x7F #define UFS_MAX_LUNS (SCSI_W_LUN_BASE + UFS_UPIU_MAX_UNIT_NUM_ID) #define UFS_UPIU_WLUN_ID (1 << 7) /* WriteBooster buffer is available only for the logical unit from 0 to 7 */ #define UFS_UPIU_MAX_WB_LUN_ID 8 /* Well known logical unit id in LUN field of UPIU */ enum { UFS_UPIU_REPORT_LUNS_WLUN = 0x81, UFS_UPIU_UFS_DEVICE_WLUN = 0xD0, UFS_UPIU_BOOT_WLUN = 0xB0, UFS_UPIU_RPMB_WLUN = 0xC4, }; /* * UFS Protocol Information Unit related definitions */ /* Task management functions */ enum { UFS_ABORT_TASK = 0x01, UFS_ABORT_TASK_SET = 0x02, UFS_CLEAR_TASK_SET = 0x04, UFS_LOGICAL_RESET = 0x08, UFS_QUERY_TASK = 0x80, UFS_QUERY_TASK_SET = 0x81, }; /* UTP UPIU Transaction Codes Initiator to Target */ enum { UPIU_TRANSACTION_NOP_OUT = 0x00, UPIU_TRANSACTION_COMMAND = 0x01, UPIU_TRANSACTION_DATA_OUT = 0x02, UPIU_TRANSACTION_TASK_REQ = 0x04, UPIU_TRANSACTION_QUERY_REQ = 0x16, }; /* UTP UPIU Transaction Codes Target to Initiator */ enum { UPIU_TRANSACTION_NOP_IN = 0x20, UPIU_TRANSACTION_RESPONSE = 0x21, UPIU_TRANSACTION_DATA_IN = 0x22, UPIU_TRANSACTION_TASK_RSP = 0x24, UPIU_TRANSACTION_READY_XFER = 0x31, UPIU_TRANSACTION_QUERY_RSP = 0x36, UPIU_TRANSACTION_REJECT_UPIU = 0x3F, }; /* UPIU Read/Write flags */ enum { UPIU_CMD_FLAGS_NONE = 0x00, UPIU_CMD_FLAGS_WRITE = 0x20, UPIU_CMD_FLAGS_READ = 0x40, }; /* UPIU Task Attributes */ enum { UPIU_TASK_ATTR_SIMPLE = 0x00, UPIU_TASK_ATTR_ORDERED = 0x01, UPIU_TASK_ATTR_HEADQ = 0x02, UPIU_TASK_ATTR_ACA = 0x03, }; /* UPIU Query request function */ enum { UPIU_QUERY_FUNC_STANDARD_READ_REQUEST = 0x01, UPIU_QUERY_FUNC_STANDARD_WRITE_REQUEST = 0x81, }; /* Flag idn for Query Requests*/ enum flag_idn { QUERY_FLAG_IDN_FDEVICEINIT = 0x01, QUERY_FLAG_IDN_PERMANENT_WPE = 0x02, QUERY_FLAG_IDN_PWR_ON_WPE = 0x03, QUERY_FLAG_IDN_BKOPS_EN = 0x04, QUERY_FLAG_IDN_LIFE_SPAN_MODE_ENABLE = 0x05, QUERY_FLAG_IDN_PURGE_ENABLE = 0x06, QUERY_FLAG_IDN_RESERVED2 = 0x07, QUERY_FLAG_IDN_FPHYRESOURCEREMOVAL = 0x08, QUERY_FLAG_IDN_BUSY_RTC = 0x09, QUERY_FLAG_IDN_RESERVED3 = 0x0A, QUERY_FLAG_IDN_PERMANENTLY_DISABLE_FW_UPDATE = 0x0B, QUERY_FLAG_IDN_WB_EN = 0x0E, QUERY_FLAG_IDN_WB_BUFF_FLUSH_EN = 0x0F, QUERY_FLAG_IDN_WB_BUFF_FLUSH_DURING_HIBERN8 = 0x10, }; /* Attribute idn for Query requests */ enum attr_idn { QUERY_ATTR_IDN_BOOT_LU_EN = 0x00, QUERY_ATTR_IDN_RESERVED = 0x01, QUERY_ATTR_IDN_POWER_MODE = 0x02, QUERY_ATTR_IDN_ACTIVE_ICC_LVL = 0x03, QUERY_ATTR_IDN_OOO_DATA_EN = 0x04, QUERY_ATTR_IDN_BKOPS_STATUS = 0x05, QUERY_ATTR_IDN_PURGE_STATUS = 0x06, QUERY_ATTR_IDN_MAX_DATA_IN = 0x07, QUERY_ATTR_IDN_MAX_DATA_OUT = 0x08, QUERY_ATTR_IDN_DYN_CAP_NEEDED = 0x09, QUERY_ATTR_IDN_REF_CLK_FREQ = 0x0A, QUERY_ATTR_IDN_CONF_DESC_LOCK = 0x0B, QUERY_ATTR_IDN_MAX_NUM_OF_RTT = 0x0C, QUERY_ATTR_IDN_EE_CONTROL = 0x0D, QUERY_ATTR_IDN_EE_STATUS = 0x0E, QUERY_ATTR_IDN_SECONDS_PASSED = 0x0F, QUERY_ATTR_IDN_CNTX_CONF = 0x10, QUERY_ATTR_IDN_CORR_PRG_BLK_NUM = 0x11, QUERY_ATTR_IDN_RESERVED2 = 0x12, QUERY_ATTR_IDN_RESERVED3 = 0x13, QUERY_ATTR_IDN_FFU_STATUS = 0x14, QUERY_ATTR_IDN_PSA_STATE = 0x15, QUERY_ATTR_IDN_PSA_DATA_SIZE = 0x16, QUERY_ATTR_IDN_REF_CLK_GATING_WAIT_TIME = 0x17, QUERY_ATTR_IDN_WB_FLUSH_STATUS = 0x1C, QUERY_ATTR_IDN_AVAIL_WB_BUFF_SIZE = 0x1D, QUERY_ATTR_IDN_WB_BUFF_LIFE_TIME_EST = 0x1E, QUERY_ATTR_IDN_CURR_WB_BUFF_SIZE = 0x1F, }; /* Descriptor idn for Query requests */ enum desc_idn { QUERY_DESC_IDN_DEVICE = 0x0, QUERY_DESC_IDN_CONFIGURATION = 0x1, QUERY_DESC_IDN_UNIT = 0x2, QUERY_DESC_IDN_RFU_0 = 0x3, QUERY_DESC_IDN_INTERCONNECT = 0x4, QUERY_DESC_IDN_STRING = 0x5, QUERY_DESC_IDN_RFU_1 = 0x6, QUERY_DESC_IDN_GEOMETRY = 0x7, QUERY_DESC_IDN_POWER = 0x8, QUERY_DESC_IDN_HEALTH = 0x9, QUERY_DESC_IDN_MAX, }; enum desc_header_offset { QUERY_DESC_LENGTH_OFFSET = 0x00, QUERY_DESC_DESC_TYPE_OFFSET = 0x01, }; enum ufs_desc_def_size { QUERY_DESC_DEVICE_DEF_SIZE = 0x59, QUERY_DESC_CONFIGURATION_DEF_SIZE = 0x90, QUERY_DESC_UNIT_DEF_SIZE = 0x2D, QUERY_DESC_INTERCONNECT_DEF_SIZE = 0x06, QUERY_DESC_GEOMETRY_DEF_SIZE = 0x48, QUERY_DESC_POWER_DEF_SIZE = 0x62, QUERY_DESC_HEALTH_DEF_SIZE = 0x25, }; /* Unit descriptor parameters offsets in bytes*/ enum unit_desc_param { UNIT_DESC_PARAM_LEN = 0x0, UNIT_DESC_PARAM_TYPE = 0x1, UNIT_DESC_PARAM_UNIT_INDEX = 0x2, UNIT_DESC_PARAM_LU_ENABLE = 0x3, UNIT_DESC_PARAM_BOOT_LUN_ID = 0x4, UNIT_DESC_PARAM_LU_WR_PROTECT = 0x5, UNIT_DESC_PARAM_LU_Q_DEPTH = 0x6, UNIT_DESC_PARAM_PSA_SENSITIVE = 0x7, UNIT_DESC_PARAM_MEM_TYPE = 0x8, UNIT_DESC_PARAM_DATA_RELIABILITY = 0x9, UNIT_DESC_PARAM_LOGICAL_BLK_SIZE = 0xA, UNIT_DESC_PARAM_LOGICAL_BLK_COUNT = 0xB, UNIT_DESC_PARAM_ERASE_BLK_SIZE = 0x13, UNIT_DESC_PARAM_PROVISIONING_TYPE = 0x17, UNIT_DESC_PARAM_PHY_MEM_RSRC_CNT = 0x18, UNIT_DESC_PARAM_CTX_CAPABILITIES = 0x20, UNIT_DESC_PARAM_LARGE_UNIT_SIZE_M1 = 0x22, UNIT_DESC_PARAM_WB_BUF_ALLOC_UNITS = 0x29, }; /* Device descriptor parameters offsets in bytes*/ enum device_desc_param { DEVICE_DESC_PARAM_LEN = 0x0, DEVICE_DESC_PARAM_TYPE = 0x1, DEVICE_DESC_PARAM_DEVICE_TYPE = 0x2, DEVICE_DESC_PARAM_DEVICE_CLASS = 0x3, DEVICE_DESC_PARAM_DEVICE_SUB_CLASS = 0x4, DEVICE_DESC_PARAM_PRTCL = 0x5, DEVICE_DESC_PARAM_NUM_LU = 0x6, DEVICE_DESC_PARAM_NUM_WLU = 0x7, DEVICE_DESC_PARAM_BOOT_ENBL = 0x8, DEVICE_DESC_PARAM_DESC_ACCSS_ENBL = 0x9, DEVICE_DESC_PARAM_INIT_PWR_MODE = 0xA, DEVICE_DESC_PARAM_HIGH_PR_LUN = 0xB, DEVICE_DESC_PARAM_SEC_RMV_TYPE = 0xC, DEVICE_DESC_PARAM_SEC_LU = 0xD, DEVICE_DESC_PARAM_BKOP_TERM_LT = 0xE, DEVICE_DESC_PARAM_ACTVE_ICC_LVL = 0xF, DEVICE_DESC_PARAM_SPEC_VER = 0x10, DEVICE_DESC_PARAM_MANF_DATE = 0x12, DEVICE_DESC_PARAM_MANF_NAME = 0x14, DEVICE_DESC_PARAM_PRDCT_NAME = 0x15, DEVICE_DESC_PARAM_SN = 0x16, DEVICE_DESC_PARAM_OEM_ID = 0x17, DEVICE_DESC_PARAM_MANF_ID = 0x18, DEVICE_DESC_PARAM_UD_OFFSET = 0x1A, DEVICE_DESC_PARAM_UD_LEN = 0x1B, DEVICE_DESC_PARAM_RTT_CAP = 0x1C, DEVICE_DESC_PARAM_FRQ_RTC = 0x1D, DEVICE_DESC_PARAM_UFS_FEAT = 0x1F, DEVICE_DESC_PARAM_FFU_TMT = 0x20, DEVICE_DESC_PARAM_Q_DPTH = 0x21, DEVICE_DESC_PARAM_DEV_VER = 0x22, DEVICE_DESC_PARAM_NUM_SEC_WPA = 0x24, DEVICE_DESC_PARAM_PSA_MAX_DATA = 0x25, DEVICE_DESC_PARAM_PSA_TMT = 0x29, DEVICE_DESC_PARAM_PRDCT_REV = 0x2A, DEVICE_DESC_PARAM_EXT_UFS_FEATURE_SUP = 0x4F, DEVICE_DESC_PARAM_WB_PRESRV_USRSPC_EN = 0x53, DEVICE_DESC_PARAM_WB_TYPE = 0x54, DEVICE_DESC_PARAM_WB_SHARED_ALLOC_UNITS = 0x55, }; /* Interconnect descriptor parameters offsets in bytes*/ enum interconnect_desc_param { INTERCONNECT_DESC_PARAM_LEN = 0x0, INTERCONNECT_DESC_PARAM_TYPE = 0x1, INTERCONNECT_DESC_PARAM_UNIPRO_VER = 0x2, INTERCONNECT_DESC_PARAM_MPHY_VER = 0x4, }; /* Geometry descriptor parameters offsets in bytes*/ enum geometry_desc_param { GEOMETRY_DESC_PARAM_LEN = 0x0, GEOMETRY_DESC_PARAM_TYPE = 0x1, GEOMETRY_DESC_PARAM_DEV_CAP = 0x4, GEOMETRY_DESC_PARAM_MAX_NUM_LUN = 0xC, GEOMETRY_DESC_PARAM_SEG_SIZE = 0xD, GEOMETRY_DESC_PARAM_ALLOC_UNIT_SIZE = 0x11, GEOMETRY_DESC_PARAM_MIN_BLK_SIZE = 0x12, GEOMETRY_DESC_PARAM_OPT_RD_BLK_SIZE = 0x13, GEOMETRY_DESC_PARAM_OPT_WR_BLK_SIZE = 0x14, GEOMETRY_DESC_PARAM_MAX_IN_BUF_SIZE = 0x15, GEOMETRY_DESC_PARAM_MAX_OUT_BUF_SIZE = 0x16, GEOMETRY_DESC_PARAM_RPMB_RW_SIZE = 0x17, GEOMETRY_DESC_PARAM_DYN_CAP_RSRC_PLC = 0x18, GEOMETRY_DESC_PARAM_DATA_ORDER = 0x19, GEOMETRY_DESC_PARAM_MAX_NUM_CTX = 0x1A, GEOMETRY_DESC_PARAM_TAG_UNIT_SIZE = 0x1B, GEOMETRY_DESC_PARAM_TAG_RSRC_SIZE = 0x1C, GEOMETRY_DESC_PARAM_SEC_RM_TYPES = 0x1D, GEOMETRY_DESC_PARAM_MEM_TYPES = 0x1E, GEOMETRY_DESC_PARAM_SCM_MAX_NUM_UNITS = 0x20, GEOMETRY_DESC_PARAM_SCM_CAP_ADJ_FCTR = 0x24, GEOMETRY_DESC_PARAM_NPM_MAX_NUM_UNITS = 0x26, GEOMETRY_DESC_PARAM_NPM_CAP_ADJ_FCTR = 0x2A, GEOMETRY_DESC_PARAM_ENM1_MAX_NUM_UNITS = 0x2C, GEOMETRY_DESC_PARAM_ENM1_CAP_ADJ_FCTR = 0x30, GEOMETRY_DESC_PARAM_ENM2_MAX_NUM_UNITS = 0x32, GEOMETRY_DESC_PARAM_ENM2_CAP_ADJ_FCTR = 0x36, GEOMETRY_DESC_PARAM_ENM3_MAX_NUM_UNITS = 0x38, GEOMETRY_DESC_PARAM_ENM3_CAP_ADJ_FCTR = 0x3C, GEOMETRY_DESC_PARAM_ENM4_MAX_NUM_UNITS = 0x3E, GEOMETRY_DESC_PARAM_ENM4_CAP_ADJ_FCTR = 0x42, GEOMETRY_DESC_PARAM_OPT_LOG_BLK_SIZE = 0x44, GEOMETRY_DESC_PARAM_WB_MAX_ALLOC_UNITS = 0x4F, GEOMETRY_DESC_PARAM_WB_MAX_WB_LUNS = 0x53, GEOMETRY_DESC_PARAM_WB_BUFF_CAP_ADJ = 0x54, GEOMETRY_DESC_PARAM_WB_SUP_RED_TYPE = 0x55, GEOMETRY_DESC_PARAM_WB_SUP_WB_TYPE = 0x56, }; /* Health descriptor parameters offsets in bytes*/ enum health_desc_param { HEALTH_DESC_PARAM_LEN = 0x0, HEALTH_DESC_PARAM_TYPE = 0x1, HEALTH_DESC_PARAM_EOL_INFO = 0x2, HEALTH_DESC_PARAM_LIFE_TIME_EST_A = 0x3, HEALTH_DESC_PARAM_LIFE_TIME_EST_B = 0x4, }; /* WriteBooster buffer mode */ enum { WB_BUF_MODE_LU_DEDICATED = 0x0, WB_BUF_MODE_SHARED = 0x1, }; /* * Logical Unit Write Protect * 00h: LU not write protected * 01h: LU write protected when fPowerOnWPEn =1 * 02h: LU permanently write protected when fPermanentWPEn =1 */ enum ufs_lu_wp_type { UFS_LU_NO_WP = 0x00, UFS_LU_POWER_ON_WP = 0x01, UFS_LU_PERM_WP = 0x02, }; /* bActiveICCLevel parameter current units */ enum { UFSHCD_NANO_AMP = 0, UFSHCD_MICRO_AMP = 1, UFSHCD_MILI_AMP = 2, UFSHCD_AMP = 3, }; /* Possible values for dExtendedUFSFeaturesSupport */ enum { UFS_DEV_WRITE_BOOSTER_SUP = BIT(8), }; #define POWER_DESC_MAX_SIZE 0x62 #define POWER_DESC_MAX_ACTV_ICC_LVLS 16 /* Attribute bActiveICCLevel parameter bit masks definitions */ #define ATTR_ICC_LVL_UNIT_OFFSET 14 #define ATTR_ICC_LVL_UNIT_MASK (0x3 << ATTR_ICC_LVL_UNIT_OFFSET) #define ATTR_ICC_LVL_VALUE_MASK 0x3FF /* Power descriptor parameters offsets in bytes */ enum power_desc_param_offset { PWR_DESC_LEN = 0x0, PWR_DESC_TYPE = 0x1, PWR_DESC_ACTIVE_LVLS_VCC_0 = 0x2, PWR_DESC_ACTIVE_LVLS_VCCQ_0 = 0x22, PWR_DESC_ACTIVE_LVLS_VCCQ2_0 = 0x42, }; /* Exception event mask values */ enum { MASK_EE_STATUS = 0xFFFF, MASK_EE_URGENT_BKOPS = (1 << 2), }; /* Background operation status */ enum bkops_status { BKOPS_STATUS_NO_OP = 0x0, BKOPS_STATUS_NON_CRITICAL = 0x1, BKOPS_STATUS_PERF_IMPACT = 0x2, BKOPS_STATUS_CRITICAL = 0x3, BKOPS_STATUS_MAX = BKOPS_STATUS_CRITICAL, }; /* UTP QUERY Transaction Specific Fields OpCode */ enum query_opcode { UPIU_QUERY_OPCODE_NOP = 0x0, UPIU_QUERY_OPCODE_READ_DESC = 0x1, UPIU_QUERY_OPCODE_WRITE_DESC = 0x2, UPIU_QUERY_OPCODE_READ_ATTR = 0x3, UPIU_QUERY_OPCODE_WRITE_ATTR = 0x4, UPIU_QUERY_OPCODE_READ_FLAG = 0x5, UPIU_QUERY_OPCODE_SET_FLAG = 0x6, UPIU_QUERY_OPCODE_CLEAR_FLAG = 0x7, UPIU_QUERY_OPCODE_TOGGLE_FLAG = 0x8, }; /* bRefClkFreq attribute values */ enum ufs_ref_clk_freq { REF_CLK_FREQ_19_2_MHZ = 0, REF_CLK_FREQ_26_MHZ = 1, REF_CLK_FREQ_38_4_MHZ = 2, REF_CLK_FREQ_52_MHZ = 3, REF_CLK_FREQ_INVAL = -1, }; struct ufs_ref_clk { unsigned long freq_hz; enum ufs_ref_clk_freq val; }; /* Query response result code */ enum { QUERY_RESULT_SUCCESS = 0x00, QUERY_RESULT_NOT_READABLE = 0xF6, QUERY_RESULT_NOT_WRITEABLE = 0xF7, QUERY_RESULT_ALREADY_WRITTEN = 0xF8, QUERY_RESULT_INVALID_LENGTH = 0xF9, QUERY_RESULT_INVALID_VALUE = 0xFA, QUERY_RESULT_INVALID_SELECTOR = 0xFB, QUERY_RESULT_INVALID_INDEX = 0xFC, QUERY_RESULT_INVALID_IDN = 0xFD, QUERY_RESULT_INVALID_OPCODE = 0xFE, QUERY_RESULT_GENERAL_FAILURE = 0xFF, }; /* UTP Transfer Request Command Type (CT) */ enum { UPIU_COMMAND_SET_TYPE_SCSI = 0x0, UPIU_COMMAND_SET_TYPE_UFS = 0x1, UPIU_COMMAND_SET_TYPE_QUERY = 0x2, }; /* UTP Transfer Request Command Offset */ #define UPIU_COMMAND_TYPE_OFFSET 28 /* Offset of the response code in the UPIU header */ #define UPIU_RSP_CODE_OFFSET 8 enum { MASK_SCSI_STATUS = 0xFF, MASK_TASK_RESPONSE = 0xFF00, MASK_RSP_UPIU_RESULT = 0xFFFF, MASK_QUERY_DATA_SEG_LEN = 0xFFFF, MASK_RSP_UPIU_DATA_SEG_LEN = 0xFFFF, MASK_RSP_EXCEPTION_EVENT = 0x10000, MASK_TM_SERVICE_RESP = 0xFF, MASK_TM_FUNC = 0xFF, }; /* Task management service response */ enum { UPIU_TASK_MANAGEMENT_FUNC_COMPL = 0x00, UPIU_TASK_MANAGEMENT_FUNC_NOT_SUPPORTED = 0x04, UPIU_TASK_MANAGEMENT_FUNC_SUCCEEDED = 0x08, UPIU_TASK_MANAGEMENT_FUNC_FAILED = 0x05, UPIU_INCORRECT_LOGICAL_UNIT_NO = 0x09, }; /* UFS device power modes */ enum ufs_dev_pwr_mode { UFS_ACTIVE_PWR_MODE = 1, UFS_SLEEP_PWR_MODE = 2, UFS_POWERDOWN_PWR_MODE = 3, }; #define UFS_WB_BUF_REMAIN_PERCENT(val) ((val) / 10) /** * struct utp_cmd_rsp - Response UPIU structure * @residual_transfer_count: Residual transfer count DW-3 * @reserved: Reserved double words DW-4 to DW-7 * @sense_data_len: Sense data length DW-8 U16 * @sense_data: Sense data field DW-8 to DW-12 */ struct utp_cmd_rsp { __be32 residual_transfer_count; __be32 reserved[4]; __be16 sense_data_len; u8 sense_data[UFS_SENSE_SIZE]; }; /** * struct utp_upiu_rsp - general upiu response structure * @header: UPIU header structure DW-0 to DW-2 * @sr: fields structure for scsi command DW-3 to DW-12 * @qr: fields structure for query request DW-3 to DW-7 */ struct utp_upiu_rsp { struct utp_upiu_header header; union { struct utp_cmd_rsp sr; struct utp_upiu_query qr; }; }; /** * struct ufs_query_req - parameters for building a query request * @query_func: UPIU header query function * @upiu_req: the query request data */ struct ufs_query_req { u8 query_func; struct utp_upiu_query upiu_req; }; /** * struct ufs_query_resp - UPIU QUERY * @response: device response code * @upiu_res: query response data */ struct ufs_query_res { u8 response; struct utp_upiu_query upiu_res; }; #define UFS_VREG_VCC_MIN_UV 2700000 /* uV */ #define UFS_VREG_VCC_MAX_UV 3600000 /* uV */ #define UFS_VREG_VCC_1P8_MIN_UV 1700000 /* uV */ #define UFS_VREG_VCC_1P8_MAX_UV 1950000 /* uV */ #define UFS_VREG_VCCQ_MIN_UV 1140000 /* uV */ #define UFS_VREG_VCCQ_MAX_UV 1260000 /* uV */ #define UFS_VREG_VCCQ2_MIN_UV 1700000 /* uV */ #define UFS_VREG_VCCQ2_MAX_UV 1950000 /* uV */ /* * VCCQ & VCCQ2 current requirement when UFS device is in sleep state * and link is in Hibern8 state. */ #define UFS_VREG_LPM_LOAD_UA 1000 /* uA */ struct ufs_vreg { struct regulator *reg; const char *name; bool enabled; int min_uV; int max_uV; int max_uA; }; struct ufs_vreg_info { struct ufs_vreg *vcc; struct ufs_vreg *vccq; struct ufs_vreg *vccq2; struct ufs_vreg *vdd_hba; }; struct ufs_dev_info { bool f_power_on_wp_en; /* Keeps information if any of the LU is power on write protected */ bool is_lu_power_on_wp; /* Maximum number of general LU supported by the UFS device */ u8 max_lu_supported; u8 wb_dedicated_lu; u16 wmanufacturerid; /*UFS device Product Name */ u8 *model; u16 wspecversion; u32 clk_gating_wait_us; u32 d_ext_ufs_feature_sup; u8 b_wb_buffer_type; u32 d_wb_alloc_units; bool b_rpm_dev_flush_capable; u8 b_presrv_uspc_en; }; /** * ufs_is_valid_unit_desc_lun - checks if the given LUN has a unit descriptor * @dev_info: pointer of instance of struct ufs_dev_info * @lun: LU number to check * @return: true if the lun has a matching unit descriptor, false otherwise */ static inline bool ufs_is_valid_unit_desc_lun(struct ufs_dev_info *dev_info, u8 lun) { if (!dev_info || !dev_info->max_lu_supported) { pr_err("Max General LU supported by UFS isn't initialized\n"); return false; } return lun == UFS_UPIU_RPMB_WLUN || (lun < dev_info->max_lu_supported); } #endif /* End of Header */
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